int main(){
Ratio x;
x.assign(22,7);
cout << "x = ";
x.print();
cout << " = " << x.convert() << endl;
x.invert();
cout << "1/x = "; x.print();
cout << endl;
}
int main () {
Ratio x (22, 7);
cout << "x= ";
x.print();
cout << "x= " << x.convert() << endl;
x.invert();
cout << "x/1= ";
x.print();
cout << endl;
}